<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=<device-width>, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action = "demo1.html" method="GET">
        用户名<input type = "text" name = "username" /> <br />
        密码<input type = "password" name = "userPsw" /> <br />
        <input type = "submit" value = "登录" />
        <input type = "reset" value = "重置" /> <br />
        性别
        <input type = "radio" name = "sex" value = "boy" checked /> 男
        <input type = "radio" name = "sex" value = "girl" /> 女
        你喜欢的球队是：
        <input type = "checkbox" name = "team" valie = "Brazil" /> 巴西
        <input type = "checkbox" name = "team" value = "German" checked /> 德国
        <input type = "checkbox" name = "team" value = "France" checked /> 法国
        <input type = "checkbox" name = "team" value = "China" /> 中国
        <br />
        你喜欢的运动是：
        <select name = "sport">
            <option value = "swimming">游泳</option>
            <option value = "running">跑步</option>
            <option value = "shotting" selected>射击</option>
            <option value = "skating">溜冰</option>
        </select>
        <br />
        <button type = "button">普通按钮</button>
        <button type = "reset"> 重置按钮</button>
        <button type = "submit">提交按钮</button>
        <br />
        <input type = "button" value = "普通按钮" />
        <input type = "reset" value = "重置按钮" />
        <input type = "submit" value = "提交按钮" /> 
        <input type = "hidden" name = "userId" value = "111" />
        <br />
        自我介绍：
        <textarea name = "desc" ></textarea>
        <br />
        头像：
        <input type = "file" name = "file" />
    </form>
</body>
</html>